using System;
using System.Collections.Generic;
using System.Net.Sockets;
using System.Text;

namespace nms_light {
    public class ArtNet {
        UdpClient client;
        static byte[] artNet = new System.Text.ASCIIEncoding().GetBytes("Art-Net");

        public ArtNet() {
            client = new UdpClient("192.168.178.27", 0x1936);
        }

        public void Send() {
            byte[] data = new byte[18 + 2]; // 18 + number of channels

            // ID
            artNet.CopyTo(data, 0);
            data[7] = 0x00;

            // OpCode
            data[8] = 0x00;
            data[9] = 0x50;

            // ProtVerH
            data[10] = 0x00;
            //ProtVer
            data[11] = 0x0E;

            // Sequence
            data[12] = 0x00;

            // Physical
            data[13] = 0x00;

            // Universe
            data[14] = 0x00; // <- Universe Setting
            data[15] = 0x00;

            // LengthHi
            data[16] = 0x00; // Length High Byte
            // Length
            data[17] = 0x02; // Length Low Byte

            // Data[Length]
            data[18] = 0xFF; // Sample data
            data[19] = 0xFE; // Sample data #2

            client.Send(data, data.Length);
        }
    }
}